I’ve got a really annoying coworker and I want revenge

I’ve got a very obnoxious coworker. I’ll spare the details but what I’m thinking is sneaking up behind him and going “HEEE HAWWW” right in his ear like a fat donkey. I think this will just sum up how we feel about him.

Cliffs:
Op has annoying coworker
Op wants to do something about it
Op wants make a loud noise in his ear as metaphor for what he does to us
Op will then explain this to coworker
Op looking for input on the matter

Also please srs responses only. Certain miscers love to fart up my threads with their bs. Not today.